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Two spherical shells have a common center. A -2.8 10-6 C charge is spread uniformly over the inner shell, which has a radius of 0.050 m. A +5.5 10-6 C charge is spread uniformly over the outer shell, which has a radius of 0.15 m. Discover the magnitude and direction of the electric field at the following distances (gauged from the common center).
1) 0.20 m (magnitude and direction)
2) .1m (magnitude and direction)
3) 0.025 (magnitude and direction)
A 58 g tennis ball is served at 40 m/s. Find the de Broglie wavelength of the tennis ball
A pitcher throws horizontally a fast ball at 146 km/h toward home plate, which is 18 m away. find how far the ball drops because of gravity by the time it reaches home plate
A horizontal uniform bar of mass 2.6 kg and length 3.0 m is hung horizontally on two vertical strings. String 1 is attached to the end of the bar, and string 2 is attached a distance 0.6 m from the other end. A monkey of mass 1.3 kg walks from one en..
a lead wire of cross-sectional area 0.980 mm2 is at a temperature of 2.00 k and carries a current of 0.490 a. a find
A 71kg pole-vaulter falls from rest from a height of 4.6m onto a foam-rubber pad. The pole-vaulter comes to rest 0.4s after landing on the pad.
The rms value of the electric field in an electromagnetic wave is Erms = 480 V/m. Find the average energy density
question on a certain game show contestants spin a wheel when it is their turn. one contestant gives the wheel an
An astronomical telescope for hobbyists has an angular magnification of -130. The eyepiece has a focal length of 5.50 mm. how long is the telescope
A solid sphere of uniform density starts from rest and rolls without slipping a distance of d = 4 m down a q = 25° incline. The sphere has a mass M = 4 kg and a radius R = 0.28 m. Illustrate what is the translationg kinetic energy
Two 1.50-V batteries-with their positive terminals in thesame direction-are inserted in series into the barrel of a flashlight. What is the lamp's resistance
A shotgun blast of 140 decibels occurs with humidity of 70% and temperature of 50 degrees. Illustrate what is the decibel level at 100 yards away? At 200 yards
An inclined plane of angle 20 has a spring of force constant k = 500 N/m fastened firmly is parallel to the surface. A block of mass = 2.50 kg is placed on the plane at a distance d = 0.300 m from the spring.
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